LM3S1937-IBZ50 Luminary Micro, Inc, LM3S1937-IBZ50 Datasheet - Page 473

• Manufacturer Part Number: LM3S1937-IBZ50
• Description: Lm3s1937 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

July 25, 2008
Pin Number
D10
D11
D12
E10
E12
G10
G11
G12
E11
F10
F11
F12
G1
G2
G3
D2
D3
E1
E2
E3
F1
F2
F3
H1
H2
Pin Name
VDD25
VDD33
CMOD0
Fault
VDD25
VDD25
VDD33
VDD33
VDD33
CCP2
CCP0
PWM0
PWM1
U1Tx
U1Rx
PH3
PH2
PB1
PD4
PD5
LDO
PB0
PD7
PD6
GND
GND
GND
PD0
PD1
PD3
PD2
NC
Preliminary
Pin Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
-
-
-
-
-
-
-
-
-
-
-
-
I
I
Buffer Type
Power
Power
Power
Power
Power
Power
Power
Power
Power
Power
Power
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
-
Description
No connect. Leave the pin electrically
unconnected/isolated.
Positive supply for most of the logic function,
including the processor core and most
peripherals.
GPIO port H bit 3
GPIO port H bit 2
GPIO port B bit 1
Capture/Compare/PWM 2
GPIO port D bit 4
GPIO port D bit 5
Low drop-out regulator output voltage. This
pin requires an external capacitor between
the pin and GND of 1 µF or greater. The LDO
pin must also be connected to the VDD25 pins
at the board level in addition to the decoupling
capacitor(s).
Positive supply for I/O and some logic.
CPU Mode bit 0. Input must be set to logic 0
(grounded); other encodings reserved.
GPIO port B bit 0
Capture/Compare/PWM 0
GPIO port D bit 7
GPIO port D bit 6
PWM Fault
Positive supply for most of the logic function,
including the processor core and most
peripherals.
Ground reference for logic and I/O pins.
Ground reference for logic and I/O pins.
Ground reference for logic and I/O pins.
GPIO port D bit 0
PWM 0
GPIO port D bit 1
PWM 1
Positive supply for most of the logic function,
including the processor core and most
peripherals.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
Positive supply for I/O and some logic.
GPIO port D bit 3
UART module 1 transmit. When in IrDA mode,
this signal has IrDA modulation.
GPIO port D bit 2
UART module 1 receive. When in IrDA mode,
this signal has IrDA modulation.
LM3S1937 Microcontroller
473